Bosch Rexroth | 4WH6C5X
4WH6C5X/
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The 4WH6C5X/ directional spool valve belongs to the WEH Directional Spool Valves series from Bosch Rexroth. It is intended for hydraulic circuit control where compact size and reliable shifting are required. The valve is size 6 and employs hydraulic actuation to move the C-coded spool for bidirectional flow routing. Its four ports permit typical P, T, A, and B line connections, and the design supports a maximum flow of 60 l/min for medium-capacity circuits. Channels a, b, and p can be subjected to operating pressures up to 315 bar, allowing the unit to manage high-pressure supply lines without external reinforcement. The internal mechanics are rated for a switching frequency of 7,200 cycles per hour, so rapid machine sequences remain feasible. This model comes from component series 5X which introduces incremental improvements in service life over earlier generations.
For integration, the valve mounts on a subplate that follows the ISO 4401-03-02-0-05 interface and the NFPA T3.5.1 R2-2002 D03 pattern while also matching the DIN 24340 Form A porting arrangement, enabling compatibility with common manifold blocks. Radial control connections are provided, and the pilot stage can accept up to 200 bar, delivering consistent actuation force in remote loading situations. The return, or t port, withstands pressures up to 160 bar, so back-pressure in the tank line does not impede performance. Using standardized patterns simplifies replacement during scheduled maintenance and minimizes machining on custom plates. Fluid cleanliness must be maintained at ISO 4406 class 20/18/15 to protect the sliding spool and bore surfaces from wear. These mounting and pressure attributes complement the characteristics outlined earlier and complete the specification set for the 4WH6C5X/ valve.
Technical Specifications
Actuation Type
Hydraulic
Cleanliness Class
ISO 4406 (c) 20/18/15
Component Series
5X
Control Connections
Radial
Maximum Flow
60 l/min
Maximum Operating Pressure (a/b/p)
315 bar
Maximum Pressure (t Port)
160 bar
Mounting Interface (iso)
ISO 4401-03-02-0-05
Mounting Interface (nfpa)
T3.5.1 R2-2002 D03
Mounting Type
Subplate
Number Of Ports
4
Pilot Pressure Max
200 bar
Porting Pattern (din)
DIN 24340 Form A
Spool Symbol
C
Switching Frequency Max
7200 1/h
Valve Size
6
1620 Old Apex Road
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